EP1054281A4 - Zoom lens and video camera and electronic still camera using this - Google Patents

Zoom lens and video camera and electronic still camera using this

Info

Publication number
EP1054281A4
EP1054281A4 EP99900177A EP99900177A EP1054281A4 EP 1054281 A4 EP1054281 A4 EP 1054281A4 EP 99900177 A EP99900177 A EP 99900177A EP 99900177 A EP99900177 A EP 99900177A EP 1054281 A4 EP1054281 A4 EP 1054281A4
Authority
EP
European Patent Office
Prior art keywords
zoom lens
camera
electronic still
video camera
still camera
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99900177A
Other languages
German (de)
French (fr)
Other versions
EP1054281A1 (en
EP1054281B1 (en
Inventor
Hiroaki Okayama
Shusuke Ono
Masaki Hirokoh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP1054281A1 publication Critical patent/EP1054281A1/en
Publication of EP1054281A4 publication Critical patent/EP1054281A4/en
Application granted granted Critical
Publication of EP1054281B1 publication Critical patent/EP1054281B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
    • G02B15/1441—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive
    • G02B15/144113—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive arranged +-++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
EP99900177A 1998-01-14 1999-01-12 Zoom lens and video camera and electronic still camera using this Expired - Lifetime EP1054281B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP588998 1998-01-14
JP00588998A JP3476668B2 (en) 1998-01-14 1998-01-14 Zoom lens, video camera and electronic still camera using the same
PCT/JP1999/000088 WO1999036821A1 (en) 1998-01-14 1999-01-12 Zoom lens and video camera and electronic still camera using this

Publications (3)

Publication Number Publication Date
EP1054281A1 EP1054281A1 (en) 2000-11-22
EP1054281A4 true EP1054281A4 (en) 2005-04-27
EP1054281B1 EP1054281B1 (en) 2007-07-11

Family

ID=11623469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99900177A Expired - Lifetime EP1054281B1 (en) 1998-01-14 1999-01-12 Zoom lens and video camera and electronic still camera using this

Country Status (5)

Country Link
US (1) US6441968B1 (en)
EP (1) EP1054281B1 (en)
JP (1) JP3476668B2 (en)
DE (1) DE69936508D1 (en)
WO (1) WO1999036821A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001027677A1 (en) * 1999-10-14 2001-04-19 Matsushita Electric Industrial Co., Ltd. Zoom lens and video camera comprising the same
JP4245780B2 (en) 2000-06-12 2009-04-02 オリンパス株式会社 Zoom imaging optical system
JP4548766B2 (en) * 2003-11-14 2010-09-22 株式会社リコー Zoom lens, lens unit, camera, and portable information terminal device
JP4695912B2 (en) 2005-04-11 2011-06-08 キヤノン株式会社 Zoom lens and imaging apparatus having the same
JP4750458B2 (en) * 2005-04-19 2011-08-17 キヤノン株式会社 Zoom lens and imaging apparatus having the same
JP4876755B2 (en) * 2006-07-27 2012-02-15 株式会社ニコン High magnification zoom lens and optical apparatus having the same
EP3455667A2 (en) * 2016-05-11 2019-03-20 Wayray Sa Heads-up display with variable image plane

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0255308A (en) * 1988-08-22 1990-02-23 Matsushita Electric Ind Co Ltd Zoom lens
JPH07111503B2 (en) * 1989-06-26 1995-11-29 松下電器産業株式会社 Zoom lens
JPH045609A (en) * 1990-04-23 1992-01-09 Matsushita Electric Ind Co Ltd Zoom lens and image forming optical device using the same
JP2963520B2 (en) * 1990-10-18 1999-10-18 オリンパス光学工業株式会社 Zoom lens with short overall length
JP2909765B2 (en) * 1990-08-24 1999-06-23 オリンパス光学工業株式会社 Zoom lens with short overall length
JPH0488309A (en) * 1990-07-31 1992-03-23 Canon Inc Zoom lens of rear focus type
JP3140489B2 (en) * 1991-07-24 2001-03-05 オリンパス光学工業株式会社 Zoom lens
JP3392881B2 (en) * 1991-11-13 2003-03-31 オリンパス光学工業株式会社 Zoom lens
JP3093513B2 (en) * 1993-04-26 2000-10-03 キヤノン株式会社 Rear focus zoom lens
JP3434060B2 (en) * 1994-12-12 2003-08-04 オリンパス光学工業株式会社 Zoom lens
JP3467102B2 (en) * 1994-12-12 2003-11-17 オリンパス光学工業株式会社 Zoom lens
US6226130B1 (en) * 1996-04-09 2001-05-01 Canon Kabushiki Kaisha Zoom lens
JP3311584B2 (en) * 1996-04-10 2002-08-05 松下電器産業株式会社 Zoom lens
JPH09288236A (en) * 1996-04-19 1997-11-04 Copal Co Ltd Zoom lens with rear focusing system
JPH10260355A (en) * 1997-03-18 1998-09-29 Canon Inc Variable power optical system with vibration-proof function
JPH1152241A (en) * 1997-08-07 1999-02-26 Matsushita Electric Ind Co Ltd Zoom lens, video camera and electronic still camera using the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
WO1999036821A1 (en) 1999-07-22
US6441968B1 (en) 2002-08-27
JPH11202198A (en) 1999-07-30
EP1054281A1 (en) 2000-11-22
EP1054281B1 (en) 2007-07-11
DE69936508D1 (en) 2007-08-23
JP3476668B2 (en) 2003-12-10

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